Home / 90,225.29-124,567.37-57,972.92

Finding the Fourth Proportional to 90,225.29, 124,567.37 and 57,972.92

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Solution

The fourth proportional to 90,225.29, 124,567.37 and 57,972.92 is: 80,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,225.29 : 124,567.37 = 57,972.92 : x
  2. Step 2: Convert to fraction form
    90,225.29/124,567.37 = 57,972.92/x
  3. Step 3: Cross multiply
    90,225.29x = 124,567.37 × 57,972.92
  4. Step 4: Simplify right side
    90,225.29x = 7,221,533,480.32
  5. Step 5: Solve for x
    x = 7,221,533,480.32/90,225.29
  6. Step 6: Final answer
    x = 80,038.90

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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.