Home / 70,326.48-97,031.34-40,100.76

Finding the Fourth Proportional to 70,326.48, 97,031.34 and 40,100.76

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Solution

The fourth proportional to 70,326.48, 97,031.34 and 40,100.76 is: 55,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,326.48 : 97,031.34 = 40,100.76 : x
  2. Step 2: Convert to fraction form
    70,326.48/97,031.34 = 40,100.76/x
  3. Step 3: Cross multiply
    70,326.48x = 97,031.34 × 40,100.76
  4. Step 4: Simplify right side
    70,326.48x = 3,891,030,477.82
  5. Step 5: Solve for x
    x = 3,891,030,477.82/70,326.48
  6. Step 6: Final answer
    x = 55,328.10

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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.