Home / 90,316.51-134,925.44-58,467.11

Finding the Fourth Proportional to 90,316.51, 134,925.44 and 58,467.11

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Solution

The fourth proportional to 90,316.51, 134,925.44 and 58,467.11 is: 87,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,316.51 : 134,925.44 = 58,467.11 : x
  2. Step 2: Convert to fraction form
    90,316.51/134,925.44 = 58,467.11/x
  3. Step 3: Cross multiply
    90,316.51x = 134,925.44 × 58,467.11
  4. Step 4: Simplify right side
    90,316.51x = 7,888,699,575.32
  5. Step 5: Solve for x
    x = 7,888,699,575.32/90,316.51
  6. Step 6: Final answer
    x = 87,345.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.