Home / 91,733.04-126,578.64-53,504.16

Finding the Fourth Proportional to 91,733.04, 126,578.64 and 53,504.16

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Solution

The fourth proportional to 91,733.04, 126,578.64 and 53,504.16 is: 73,828.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,733.04 : 126,578.64 = 53,504.16 : x
  2. Step 2: Convert to fraction form
    91,733.04/126,578.64 = 53,504.16/x
  3. Step 3: Cross multiply
    91,733.04x = 126,578.64 × 53,504.16
  4. Step 4: Simplify right side
    91,733.04x = 6,772,483,807.14
  5. Step 5: Solve for x
    x = 6,772,483,807.14/91,733.04
  6. Step 6: Final answer
    x = 73,828.18

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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.