Home / 77,557.74-116,337.21-42,478.26

Finding the Fourth Proportional to 77,557.74, 116,337.21 and 42,478.26

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Solution

The fourth proportional to 77,557.74, 116,337.21 and 42,478.26 is: 63,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,557.74 : 116,337.21 = 42,478.26 : x
  2. Step 2: Convert to fraction form
    77,557.74/116,337.21 = 42,478.26/x
  3. Step 3: Cross multiply
    77,557.74x = 116,337.21 × 42,478.26
  4. Step 4: Simplify right side
    77,557.74x = 4,941,802,254.05
  5. Step 5: Solve for x
    x = 4,941,802,254.05/77,557.74
  6. Step 6: Final answer
    x = 63,717.72

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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.