Home / 112,960.48-155,881.20-62,658.40

Finding the Fourth Proportional to 112,960.48, 155,881.20 and 62,658.40

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Solution

The fourth proportional to 112,960.48, 155,881.20 and 62,658.40 is: 86,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,960.48 : 155,881.20 = 62,658.40 : x
  2. Step 2: Convert to fraction form
    112,960.48/155,881.20 = 62,658.40/x
  3. Step 3: Cross multiply
    112,960.48x = 155,881.20 × 62,658.40
  4. Step 4: Simplify right side
    112,960.48x = 9,767,266,582.08
  5. Step 5: Solve for x
    x = 9,767,266,582.08/112,960.48
  6. Step 6: Final answer
    x = 86,466.23

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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.