Home / 77,454.19-106,801.40-53,539.35

Finding the Fourth Proportional to 77,454.19, 106,801.40 and 53,539.35

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Solution

The fourth proportional to 77,454.19, 106,801.40 and 53,539.35 is: 73,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,454.19 : 106,801.40 = 53,539.35 : x
  2. Step 2: Convert to fraction form
    77,454.19/106,801.40 = 53,539.35/x
  3. Step 3: Cross multiply
    77,454.19x = 106,801.40 × 53,539.35
  4. Step 4: Simplify right side
    77,454.19x = 5,718,077,535.09
  5. Step 5: Solve for x
    x = 5,718,077,535.09/77,454.19
  6. Step 6: Final answer
    x = 73,825.28

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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.