Home / 70,875.12-97,807.74-39,044.04

Finding the Fourth Proportional to 70,875.12, 97,807.74 and 39,044.04

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Solution

The fourth proportional to 70,875.12, 97,807.74 and 39,044.04 is: 53,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,875.12 : 97,807.74 = 39,044.04 : x
  2. Step 2: Convert to fraction form
    70,875.12/97,807.74 = 39,044.04/x
  3. Step 3: Cross multiply
    70,875.12x = 97,807.74 × 39,044.04
  4. Step 4: Simplify right side
    70,875.12x = 3,818,809,312.87
  5. Step 5: Solve for x
    x = 3,818,809,312.87/70,875.12
  6. Step 6: Final answer
    x = 53,880.82

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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.