Home / 66,326.06-91,565.28-53,263.31

Finding the Fourth Proportional to 66,326.06, 91,565.28 and 53,263.31

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Solution

The fourth proportional to 66,326.06, 91,565.28 and 53,263.31 is: 73,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,326.06 : 91,565.28 = 53,263.31 : x
  2. Step 2: Convert to fraction form
    66,326.06/91,565.28 = 53,263.31/x
  3. Step 3: Cross multiply
    66,326.06x = 91,565.28 × 53,263.31
  4. Step 4: Simplify right side
    66,326.06x = 4,877,069,436.05
  5. Step 5: Solve for x
    x = 4,877,069,436.05/66,326.06
  6. Step 6: Final answer
    x = 73,531.72

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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.