Home / 70,887.60-97,825.14-39,055.80

Finding the Fourth Proportional to 70,887.60, 97,825.14 and 39,055.80

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Solution

The fourth proportional to 70,887.60, 97,825.14 and 39,055.80 is: 53,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,887.60 : 97,825.14 = 39,055.80 : x
  2. Step 2: Convert to fraction form
    70,887.60/97,825.14 = 39,055.80/x
  3. Step 3: Cross multiply
    70,887.60x = 97,825.14 × 39,055.80
  4. Step 4: Simplify right side
    70,887.60x = 3,820,639,102.81
  5. Step 5: Solve for x
    x = 3,820,639,102.81/70,887.60
  6. Step 6: Final answer
    x = 53,897.14

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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.