Home / 56,535.47-84,805.01-28,440.17

Finding the Fourth Proportional to 56,535.47, 84,805.01 and 28,440.17

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Solution

The fourth proportional to 56,535.47, 84,805.01 and 28,440.17 is: 42,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,535.47 : 84,805.01 = 28,440.17 : x
  2. Step 2: Convert to fraction form
    56,535.47/84,805.01 = 28,440.17/x
  3. Step 3: Cross multiply
    56,535.47x = 84,805.01 × 28,440.17
  4. Step 4: Simplify right side
    56,535.47x = 2,411,868,901.25
  5. Step 5: Solve for x
    x = 2,411,868,901.25/56,535.47
  6. Step 6: Final answer
    x = 42,661.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.