Home / 72,258.08-99,702.75-42,032.37

Finding the Fourth Proportional to 72,258.08, 99,702.75 and 42,032.37

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Solution

The fourth proportional to 72,258.08, 99,702.75 and 42,032.37 is: 57,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,258.08 : 99,702.75 = 42,032.37 : x
  2. Step 2: Convert to fraction form
    72,258.08/99,702.75 = 42,032.37/x
  3. Step 3: Cross multiply
    72,258.08x = 99,702.75 × 42,032.37
  4. Step 4: Simplify right side
    72,258.08x = 4,190,742,612.26
  5. Step 5: Solve for x
    x = 4,190,742,612.26/72,258.08
  6. Step 6: Final answer
    x = 57,996.88

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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.