Home / 70,547.32-97,352.10-38,715.58

Finding the Fourth Proportional to 70,547.32, 97,352.10 and 38,715.58

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Solution

The fourth proportional to 70,547.32, 97,352.10 and 38,715.58 is: 53,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,547.32 : 97,352.10 = 38,715.58 : x
  2. Step 2: Convert to fraction form
    70,547.32/97,352.10 = 38,715.58/x
  3. Step 3: Cross multiply
    70,547.32x = 97,352.10 × 38,715.58
  4. Step 4: Simplify right side
    70,547.32x = 3,769,043,015.72
  5. Step 5: Solve for x
    x = 3,769,043,015.72/70,547.32
  6. Step 6: Final answer
    x = 53,425.74

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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.