Home / 70,944.77-97,904.45-39,114.81

Finding the Fourth Proportional to 70,944.77, 97,904.45 and 39,114.81

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Solution

The fourth proportional to 70,944.77, 97,904.45 and 39,114.81 is: 53,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,944.77 : 97,904.45 = 39,114.81 : x
  2. Step 2: Convert to fraction form
    70,944.77/97,904.45 = 39,114.81/x
  3. Step 3: Cross multiply
    70,944.77x = 97,904.45 × 39,114.81
  4. Step 4: Simplify right side
    70,944.77x = 3,829,513,959.90
  5. Step 5: Solve for x
    x = 3,829,513,959.90/70,944.77
  6. Step 6: Final answer
    x = 53,978.81

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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.