Home / 65,763.32-90,762.19-37,088.84

Finding the Fourth Proportional to 65,763.32, 90,762.19 and 37,088.84

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Solution

The fourth proportional to 65,763.32, 90,762.19 and 37,088.84 is: 51,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,763.32 : 90,762.19 = 37,088.84 : x
  2. Step 2: Convert to fraction form
    65,763.32/90,762.19 = 37,088.84/x
  3. Step 3: Cross multiply
    65,763.32x = 90,762.19 × 37,088.84
  4. Step 4: Simplify right side
    65,763.32x = 3,366,264,477.14
  5. Step 5: Solve for x
    x = 3,366,264,477.14/65,763.32
  6. Step 6: Final answer
    x = 51,187.57

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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.