Home / 84,702.08-127,058.40-28,537.52

Finding the Fourth Proportional to 84,702.08, 127,058.40 and 28,537.52

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Solution

The fourth proportional to 84,702.08, 127,058.40 and 28,537.52 is: 42,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,702.08 : 127,058.40 = 28,537.52 : x
  2. Step 2: Convert to fraction form
    84,702.08/127,058.40 = 28,537.52/x
  3. Step 3: Cross multiply
    84,702.08x = 127,058.40 × 28,537.52
  4. Step 4: Simplify right side
    84,702.08x = 3,625,931,631.17
  5. Step 5: Solve for x
    x = 3,625,931,631.17/84,702.08
  6. Step 6: Final answer
    x = 42,808.06

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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.