Home / 108,776.08-150,113.64-61,030.72

Finding the Fourth Proportional to 108,776.08, 150,113.64 and 61,030.72

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Solution

The fourth proportional to 108,776.08, 150,113.64 and 61,030.72 is: 84,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,776.08 : 150,113.64 = 61,030.72 : x
  2. Step 2: Convert to fraction form
    108,776.08/150,113.64 = 61,030.72/x
  3. Step 3: Cross multiply
    108,776.08x = 150,113.64 × 61,030.72
  4. Step 4: Simplify right side
    108,776.08x = 9,161,543,531.02
  5. Step 5: Solve for x
    x = 9,161,543,531.02/108,776.08
  6. Step 6: Final answer
    x = 84,223.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.