Home / 70,701.30-97,567.02-38,870.64

Finding the Fourth Proportional to 70,701.30, 97,567.02 and 38,870.64

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Solution

The fourth proportional to 70,701.30, 97,567.02 and 38,870.64 is: 53,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,701.30 : 97,567.02 = 38,870.64 : x
  2. Step 2: Convert to fraction form
    70,701.30/97,567.02 = 38,870.64/x
  3. Step 3: Cross multiply
    70,701.30x = 97,567.02 × 38,870.64
  4. Step 4: Simplify right side
    70,701.30x = 3,792,492,510.29
  5. Step 5: Solve for x
    x = 3,792,492,510.29/70,701.30
  6. Step 6: Final answer
    x = 53,641.06

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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.