Home / 70,303.96-97,017.24-38,470.78

Finding the Fourth Proportional to 70,303.96, 97,017.24 and 38,470.78

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Solution

The fourth proportional to 70,303.96, 97,017.24 and 38,470.78 is: 53,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,303.96 : 97,017.24 = 38,470.78 : x
  2. Step 2: Convert to fraction form
    70,303.96/97,017.24 = 38,470.78/x
  3. Step 3: Cross multiply
    70,303.96x = 97,017.24 × 38,470.78
  4. Step 4: Simplify right side
    70,303.96x = 3,732,328,896.25
  5. Step 5: Solve for x
    x = 3,732,328,896.25/70,303.96
  6. Step 6: Final answer
    x = 53,088.46

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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.