Home / 79,075.32-109,126.66-43,265.34

Finding the Fourth Proportional to 79,075.32, 109,126.66 and 43,265.34

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Solution

The fourth proportional to 79,075.32, 109,126.66 and 43,265.34 is: 59,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,075.32 : 109,126.66 = 43,265.34 : x
  2. Step 2: Convert to fraction form
    79,075.32/109,126.66 = 43,265.34/x
  3. Step 3: Cross multiply
    79,075.32x = 109,126.66 × 43,265.34
  4. Step 4: Simplify right side
    79,075.32x = 4,721,402,047.96
  5. Step 5: Solve for x
    x = 4,721,402,047.96/79,075.32
  6. Step 6: Final answer
    x = 59,707.66

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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.