Home / 91,663.23-126,258.65-64,759.03

Finding the Fourth Proportional to 91,663.23, 126,258.65 and 64,759.03

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Solution

The fourth proportional to 91,663.23, 126,258.65 and 64,759.03 is: 89,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,663.23 : 126,258.65 = 64,759.03 : x
  2. Step 2: Convert to fraction form
    91,663.23/126,258.65 = 64,759.03/x
  3. Step 3: Cross multiply
    91,663.23x = 126,258.65 × 64,759.03
  4. Step 4: Simplify right side
    91,663.23x = 8,176,387,306.51
  5. Step 5: Solve for x
    x = 8,176,387,306.51/91,663.23
  6. Step 6: Final answer
    x = 89,200.29

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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.