Home / 90,294.37-124,667.81-56,316.13

Finding the Fourth Proportional to 90,294.37, 124,667.81 and 56,316.13

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Solution

The fourth proportional to 90,294.37, 124,667.81 and 56,316.13 is: 77,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,294.37 : 124,667.81 = 56,316.13 : x
  2. Step 2: Convert to fraction form
    90,294.37/124,667.81 = 56,316.13/x
  3. Step 3: Cross multiply
    90,294.37x = 124,667.81 × 56,316.13
  4. Step 4: Simplify right side
    90,294.37x = 7,020,808,313.19
  5. Step 5: Solve for x
    x = 7,020,808,313.19/90,294.37
  6. Step 6: Final answer
    x = 77,754.66

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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.