Home / 108,883.85-150,261.48-61,136.17

Finding the Fourth Proportional to 108,883.85, 150,261.48 and 61,136.17

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Solution

The fourth proportional to 108,883.85, 150,261.48 and 61,136.17 is: 84,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,883.85 : 150,261.48 = 61,136.17 : x
  2. Step 2: Convert to fraction form
    108,883.85/150,261.48 = 61,136.17/x
  3. Step 3: Cross multiply
    108,883.85x = 150,261.48 × 61,136.17
  4. Step 4: Simplify right side
    108,883.85x = 9,186,411,010.08
  5. Step 5: Solve for x
    x = 9,186,411,010.08/108,883.85
  6. Step 6: Final answer
    x = 84,368.91

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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.