Home / 91,068.63-136,570.14-38,482.23

Finding the Fourth Proportional to 91,068.63, 136,570.14 and 38,482.23

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Solution

The fourth proportional to 91,068.63, 136,570.14 and 38,482.23 is: 57,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,068.63 : 136,570.14 = 38,482.23 : x
  2. Step 2: Convert to fraction form
    91,068.63/136,570.14 = 38,482.23/x
  3. Step 3: Cross multiply
    91,068.63x = 136,570.14 × 38,482.23
  4. Step 4: Simplify right side
    91,068.63x = 5,255,523,538.61
  5. Step 5: Solve for x
    x = 5,255,523,538.61/91,068.63
  6. Step 6: Final answer
    x = 57,709.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.