Home / 70,705.05-97,573.32-38,875.98

Finding the Fourth Proportional to 70,705.05, 97,573.32 and 38,875.98

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Solution

The fourth proportional to 70,705.05, 97,573.32 and 38,875.98 is: 53,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,705.05 : 97,573.32 = 38,875.98 : x
  2. Step 2: Convert to fraction form
    70,705.05/97,573.32 = 38,875.98/x
  3. Step 3: Cross multiply
    70,705.05x = 97,573.32 × 38,875.98
  4. Step 4: Simplify right side
    70,705.05x = 3,793,258,436.85
  5. Step 5: Solve for x
    x = 3,793,258,436.85/70,705.05
  6. Step 6: Final answer
    x = 53,649.05

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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.