Home / 84,569.77-126,698.05-42,400.63

Finding the Fourth Proportional to 84,569.77, 126,698.05 and 42,400.63

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Solution

The fourth proportional to 84,569.77, 126,698.05 and 42,400.63 is: 63,522.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,569.77 : 126,698.05 = 42,400.63 : x
  2. Step 2: Convert to fraction form
    84,569.77/126,698.05 = 42,400.63/x
  3. Step 3: Cross multiply
    84,569.77x = 126,698.05 × 42,400.63
  4. Step 4: Simplify right side
    84,569.77x = 5,372,077,139.77
  5. Step 5: Solve for x
    x = 5,372,077,139.77/84,569.77
  6. Step 6: Final answer
    x = 63,522.43

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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.