Home / 66,354.30-91,567.35-38,058.18

Finding the Fourth Proportional to 66,354.30, 91,567.35 and 38,058.18

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Solution

The fourth proportional to 66,354.30, 91,567.35 and 38,058.18 is: 52,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,354.30 : 91,567.35 = 38,058.18 : x
  2. Step 2: Convert to fraction form
    66,354.30/91,567.35 = 38,058.18/x
  3. Step 3: Cross multiply
    66,354.30x = 91,567.35 × 38,058.18
  4. Step 4: Simplify right side
    66,354.30x = 3,484,886,688.42
  5. Step 5: Solve for x
    x = 3,484,886,688.42/66,354.30
  6. Step 6: Final answer
    x = 52,519.38

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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.