Home / 55,653.36-76,801.95-30,502.86

Finding the Fourth Proportional to 55,653.36, 76,801.95 and 30,502.86

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Solution

The fourth proportional to 55,653.36, 76,801.95 and 30,502.86 is: 42,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,653.36 : 76,801.95 = 30,502.86 : x
  2. Step 2: Convert to fraction form
    55,653.36/76,801.95 = 30,502.86/x
  3. Step 3: Cross multiply
    55,653.36x = 76,801.95 × 30,502.86
  4. Step 4: Simplify right side
    55,653.36x = 2,342,679,128.58
  5. Step 5: Solve for x
    x = 2,342,679,128.58/55,653.36
  6. Step 6: Final answer
    x = 42,094.12

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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.