Home / 70,688.07-97,549.64-38,857.16

Finding the Fourth Proportional to 70,688.07, 97,549.64 and 38,857.16

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Solution

The fourth proportional to 70,688.07, 97,549.64 and 38,857.16 is: 53,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688.07 : 97,549.64 = 38,857.16 : x
  2. Step 2: Convert to fraction form
    70,688.07/97,549.64 = 38,857.16/x
  3. Step 3: Cross multiply
    70,688.07x = 97,549.64 × 38,857.16
  4. Step 4: Simplify right side
    70,688.07x = 3,790,501,531.26
  5. Step 5: Solve for x
    x = 3,790,501,531.26/70,688.07
  6. Step 6: Final answer
    x = 53,622.94

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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.