Home / 70,878.27-97,812.26-39,047.10

Finding the Fourth Proportional to 70,878.27, 97,812.26 and 39,047.10

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Solution

The fourth proportional to 70,878.27, 97,812.26 and 39,047.10 is: 53,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,878.27 : 97,812.26 = 39,047.10 : x
  2. Step 2: Convert to fraction form
    70,878.27/97,812.26 = 39,047.10/x
  3. Step 3: Cross multiply
    70,878.27x = 97,812.26 × 39,047.10
  4. Step 4: Simplify right side
    70,878.27x = 3,819,284,681.84
  5. Step 5: Solve for x
    x = 3,819,284,681.84/70,878.27
  6. Step 6: Final answer
    x = 53,885.13

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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.