Home / 112,572.18-155,347.47-62,271.18

Finding the Fourth Proportional to 112,572.18, 155,347.47 and 62,271.18

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Solution

The fourth proportional to 112,572.18, 155,347.47 and 62,271.18 is: 85,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,572.18 : 155,347.47 = 62,271.18 : x
  2. Step 2: Convert to fraction form
    112,572.18/155,347.47 = 62,271.18/x
  3. Step 3: Cross multiply
    112,572.18x = 155,347.47 × 62,271.18
  4. Step 4: Simplify right side
    112,572.18x = 9,673,670,266.91
  5. Step 5: Solve for x
    x = 9,673,670,266.91/112,572.18
  6. Step 6: Final answer
    x = 85,933.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.