Home / 112,603.38-155,394.93-62,303.22

Finding the Fourth Proportional to 112,603.38, 155,394.93 and 62,303.22

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Solution

The fourth proportional to 112,603.38, 155,394.93 and 62,303.22 is: 85,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,603.38 : 155,394.93 = 62,303.22 : x
  2. Step 2: Convert to fraction form
    112,603.38/155,394.93 = 62,303.22/x
  3. Step 3: Cross multiply
    112,603.38x = 155,394.93 × 62,303.22
  4. Step 4: Simplify right side
    112,603.38x = 9,681,604,510.67
  5. Step 5: Solve for x
    x = 9,681,604,510.67/112,603.38
  6. Step 6: Final answer
    x = 85,979.70

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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.