Home / 70,001.08-105,026.67-30,003.28

Finding the Fourth Proportional to 70,001.08, 105,026.67 and 30,003.28

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Solution

The fourth proportional to 70,001.08, 105,026.67 and 30,003.28 is: 45,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,001.08 : 105,026.67 = 30,003.28 : x
  2. Step 2: Convert to fraction form
    70,001.08/105,026.67 = 30,003.28/x
  3. Step 3: Cross multiply
    70,001.08x = 105,026.67 × 30,003.28
  4. Step 4: Simplify right side
    70,001.08x = 3,151,144,587.48
  5. Step 5: Solve for x
    x = 3,151,144,587.48/70,001.08
  6. Step 6: Final answer
    x = 45,015.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.