Home / 52,641.16-72,721.63-45,555.28

Finding the Fourth Proportional to 52,641.16, 72,721.63 and 45,555.28

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Solution

The fourth proportional to 52,641.16, 72,721.63 and 45,555.28 is: 62,932.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,641.16 : 72,721.63 = 45,555.28 : x
  2. Step 2: Convert to fraction form
    52,641.16/72,721.63 = 45,555.28/x
  3. Step 3: Cross multiply
    52,641.16x = 72,721.63 × 45,555.28
  4. Step 4: Simplify right side
    52,641.16x = 3,312,854,216.71
  5. Step 5: Solve for x
    x = 3,312,854,216.71/52,641.16
  6. Step 6: Final answer
    x = 62,932.77

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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.