Home / 94,699.18-142,130.31-38,570.50

Finding the Fourth Proportional to 94,699.18, 142,130.31 and 38,570.50

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Solution

The fourth proportional to 94,699.18, 142,130.31 and 38,570.50 is: 57,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,699.18 : 142,130.31 = 38,570.50 : x
  2. Step 2: Convert to fraction form
    94,699.18/142,130.31 = 38,570.50/x
  3. Step 3: Cross multiply
    94,699.18x = 142,130.31 × 38,570.50
  4. Step 4: Simplify right side
    94,699.18x = 5,482,037,121.86
  5. Step 5: Solve for x
    x = 5,482,037,121.86/94,699.18
  6. Step 6: Final answer
    x = 57,888.96

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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.