Home / 70,931.51-97,886.15-39,101.55

Finding the Fourth Proportional to 70,931.51, 97,886.15 and 39,101.55

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Solution

The fourth proportional to 70,931.51, 97,886.15 and 39,101.55 is: 53,960.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,931.51 : 97,886.15 = 39,101.55 : x
  2. Step 2: Convert to fraction form
    70,931.51/97,886.15 = 39,101.55/x
  3. Step 3: Cross multiply
    70,931.51x = 97,886.15 × 39,101.55
  4. Step 4: Simplify right side
    70,931.51x = 3,827,500,543.14
  5. Step 5: Solve for x
    x = 3,827,500,543.14/70,931.51
  6. Step 6: Final answer
    x = 53,960.51

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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.