Home / 145,827.04-218,758.80-57,069.08

Finding the Fourth Proportional to 145,827.04, 218,758.80 and 57,069.08

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Solution

The fourth proportional to 145,827.04, 218,758.80 and 57,069.08 is: 85,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,827.04 : 218,758.80 = 57,069.08 : x
  2. Step 2: Convert to fraction form
    145,827.04/218,758.80 = 57,069.08/x
  3. Step 3: Cross multiply
    145,827.04x = 218,758.80 × 57,069.08
  4. Step 4: Simplify right side
    145,827.04x = 12,484,363,457.90
  5. Step 5: Solve for x
    x = 12,484,363,457.90/145,827.04
  6. Step 6: Final answer
    x = 85,610.76

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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.