Home / 70,748.02-97,630.64-38,916.24

Finding the Fourth Proportional to 70,748.02, 97,630.64 and 38,916.24

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Solution

The fourth proportional to 70,748.02, 97,630.64 and 38,916.24 is: 53,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,748.02 : 97,630.64 = 38,916.24 : x
  2. Step 2: Convert to fraction form
    70,748.02/97,630.64 = 38,916.24/x
  3. Step 3: Cross multiply
    70,748.02x = 97,630.64 × 38,916.24
  4. Step 4: Simplify right side
    70,748.02x = 3,799,417,417.59
  5. Step 5: Solve for x
    x = 3,799,417,417.59/70,748.02
  6. Step 6: Final answer
    x = 53,703.52

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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.