Home / 70,470.09-97,261.16-42,175.71

Finding the Fourth Proportional to 70,470.09, 97,261.16 and 42,175.71

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Solution

The fourth proportional to 70,470.09, 97,261.16 and 42,175.71 is: 58,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,470.09 : 97,261.16 = 42,175.71 : x
  2. Step 2: Convert to fraction form
    70,470.09/97,261.16 = 42,175.71/x
  3. Step 3: Cross multiply
    70,470.09x = 97,261.16 × 42,175.71
  4. Step 4: Simplify right side
    70,470.09x = 4,102,058,267.55
  5. Step 5: Solve for x
    x = 4,102,058,267.55/70,470.09
  6. Step 6: Final answer
    x = 58,209.92

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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.