Home / 70,547.22-97,356.96-38,715.84

Finding the Fourth Proportional to 70,547.22, 97,356.96 and 38,715.84

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Solution

The fourth proportional to 70,547.22, 97,356.96 and 38,715.84 is: 53,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,547.22 : 97,356.96 = 38,715.84 : x
  2. Step 2: Convert to fraction form
    70,547.22/97,356.96 = 38,715.84/x
  3. Step 3: Cross multiply
    70,547.22x = 97,356.96 × 38,715.84
  4. Step 4: Simplify right side
    70,547.22x = 3,769,256,486.25
  5. Step 5: Solve for x
    x = 3,769,256,486.25/70,547.22
  6. Step 6: Final answer
    x = 53,428.85

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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.