Home / 108,881.39-150,242.38-63,548.98

Finding the Fourth Proportional to 108,881.39, 150,242.38 and 63,548.98

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Solution

The fourth proportional to 108,881.39, 150,242.38 and 63,548.98 is: 87,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,881.39 : 150,242.38 = 63,548.98 : x
  2. Step 2: Convert to fraction form
    108,881.39/150,242.38 = 63,548.98/x
  3. Step 3: Cross multiply
    108,881.39x = 150,242.38 × 63,548.98
  4. Step 4: Simplify right side
    108,881.39x = 9,547,750,001.77
  5. Step 5: Solve for x
    x = 9,547,750,001.77/108,881.39
  6. Step 6: Final answer
    x = 87,689.46

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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.