Home / 97,547.02-146,309.88-66,158.72

Finding the Fourth Proportional to 97,547.02, 146,309.88 and 66,158.72

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Solution

The fourth proportional to 97,547.02, 146,309.88 and 66,158.72 is: 99,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,547.02 : 146,309.88 = 66,158.72 : x
  2. Step 2: Convert to fraction form
    97,547.02/146,309.88 = 66,158.72/x
  3. Step 3: Cross multiply
    97,547.02x = 146,309.88 × 66,158.72
  4. Step 4: Simplify right side
    97,547.02x = 9,679,674,384.15
  5. Step 5: Solve for x
    x = 9,679,674,384.15/97,547.02
  6. Step 6: Final answer
    x = 99,230.86

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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.