Home / 91,301.36-126,075.96-57,368.70

Finding the Fourth Proportional to 91,301.36, 126,075.96 and 57,368.70

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Solution

The fourth proportional to 91,301.36, 126,075.96 and 57,368.70 is: 79,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,301.36 : 126,075.96 = 57,368.70 : x
  2. Step 2: Convert to fraction form
    91,301.36/126,075.96 = 57,368.70/x
  3. Step 3: Cross multiply
    91,301.36x = 126,075.96 × 57,368.70
  4. Step 4: Simplify right side
    91,301.36x = 7,232,813,926.45
  5. Step 5: Solve for x
    x = 7,232,813,926.45/91,301.36
  6. Step 6: Final answer
    x = 79,219.13

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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.