Home / 94,758.19-142,089.69-31,555.98

Finding the Fourth Proportional to 94,758.19, 142,089.69 and 31,555.98

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Solution

The fourth proportional to 94,758.19, 142,089.69 and 31,555.98 is: 47,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,758.19 : 142,089.69 = 31,555.98 : x
  2. Step 2: Convert to fraction form
    94,758.19/142,089.69 = 31,555.98/x
  3. Step 3: Cross multiply
    94,758.19x = 142,089.69 × 31,555.98
  4. Step 4: Simplify right side
    94,758.19x = 4,483,779,534.18
  5. Step 5: Solve for x
    x = 4,483,779,534.18/94,758.19
  6. Step 6: Final answer
    x = 47,318.12

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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.