Home / 99,588.47-137,430.30-54,266.84

Finding the Fourth Proportional to 99,588.47, 137,430.30 and 54,266.84

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Solution

The fourth proportional to 99,588.47, 137,430.30 and 54,266.84 is: 74,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,588.47 : 137,430.30 = 54,266.84 : x
  2. Step 2: Convert to fraction form
    99,588.47/137,430.30 = 54,266.84/x
  3. Step 3: Cross multiply
    99,588.47x = 137,430.30 × 54,266.84
  4. Step 4: Simplify right side
    99,588.47x = 7,457,908,101.25
  5. Step 5: Solve for x
    x = 7,457,908,101.25/99,588.47
  6. Step 6: Final answer
    x = 74,887.26

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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.