Home / 70,948.02-97,908.21-39,117.45

Finding the Fourth Proportional to 70,948.02, 97,908.21 and 39,117.45

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Solution

The fourth proportional to 70,948.02, 97,908.21 and 39,117.45 is: 53,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,948.02 : 97,908.21 = 39,117.45 : x
  2. Step 2: Convert to fraction form
    70,948.02/97,908.21 = 39,117.45/x
  3. Step 3: Cross multiply
    70,948.02x = 97,908.21 × 39,117.45
  4. Step 4: Simplify right side
    70,948.02x = 3,829,919,509.26
  5. Step 5: Solve for x
    x = 3,829,919,509.26/70,948.02
  6. Step 6: Final answer
    x = 53,982.05

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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.