Home / 70,547.12-97,351.95-38,716.54

Finding the Fourth Proportional to 70,547.12, 97,351.95 and 38,716.54

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Solution

The fourth proportional to 70,547.12, 97,351.95 and 38,716.54 is: 53,427.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,547.12 : 97,351.95 = 38,716.54 : x
  2. Step 2: Convert to fraction form
    70,547.12/97,351.95 = 38,716.54/x
  3. Step 3: Cross multiply
    70,547.12x = 97,351.95 × 38,716.54
  4. Step 4: Simplify right side
    70,547.12x = 3,769,130,666.25
  5. Step 5: Solve for x
    x = 3,769,130,666.25/70,547.12
  6. Step 6: Final answer
    x = 53,427.14

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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.