Home / 91,703.45-126,555.98-51,415.26

Finding the Fourth Proportional to 91,703.45, 126,555.98 and 51,415.26

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Solution

The fourth proportional to 91,703.45, 126,555.98 and 51,415.26 is: 70,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,703.45 : 126,555.98 = 51,415.26 : x
  2. Step 2: Convert to fraction form
    91,703.45/126,555.98 = 51,415.26/x
  3. Step 3: Cross multiply
    91,703.45x = 126,555.98 × 51,415.26
  4. Step 4: Simplify right side
    91,703.45x = 6,506,908,616.25
  5. Step 5: Solve for x
    x = 6,506,908,616.25/91,703.45
  6. Step 6: Final answer
    x = 70,955.98

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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.