Home / 70,038.24-96,654.56-42,818.64

Finding the Fourth Proportional to 70,038.24, 96,654.56 and 42,818.64

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Solution

The fourth proportional to 70,038.24, 96,654.56 and 42,818.64 is: 59,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,038.24 : 96,654.56 = 42,818.64 : x
  2. Step 2: Convert to fraction form
    70,038.24/96,654.56 = 42,818.64/x
  3. Step 3: Cross multiply
    70,038.24x = 96,654.56 × 42,818.64
  4. Step 4: Simplify right side
    70,038.24x = 4,138,616,809.00
  5. Step 5: Solve for x
    x = 4,138,616,809.00/70,038.24
  6. Step 6: Final answer
    x = 59,090.82

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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.