Home / 65,295.16-90,126.56-42,637.66

Finding the Fourth Proportional to 65,295.16, 90,126.56 and 42,637.66

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Solution

The fourth proportional to 65,295.16, 90,126.56 and 42,637.66 is: 58,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,295.16 : 90,126.56 = 42,637.66 : x
  2. Step 2: Convert to fraction form
    65,295.16/90,126.56 = 42,637.66/x
  3. Step 3: Cross multiply
    65,295.16x = 90,126.56 × 42,637.66
  4. Step 4: Simplify right side
    65,295.16x = 3,842,785,622.25
  5. Step 5: Solve for x
    x = 3,842,785,622.25/65,295.16
  6. Step 6: Final answer
    x = 58,852.53

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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.