Home / 71,427.07-98,555.47-42,350.06

Finding the Fourth Proportional to 71,427.07, 98,555.47 and 42,350.06

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Solution

The fourth proportional to 71,427.07, 98,555.47 and 42,350.06 is: 58,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,427.07 : 98,555.47 = 42,350.06 : x
  2. Step 2: Convert to fraction form
    71,427.07/98,555.47 = 42,350.06/x
  3. Step 3: Cross multiply
    71,427.07x = 98,555.47 × 42,350.06
  4. Step 4: Simplify right side
    71,427.07x = 4,173,830,182.36
  5. Step 5: Solve for x
    x = 4,173,830,182.36/71,427.07
  6. Step 6: Final answer
    x = 58,434.85

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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.