Home / 88,070.63-121,537.47-50,345.69

Finding the Fourth Proportional to 88,070.63, 121,537.47 and 50,345.69

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Solution

The fourth proportional to 88,070.63, 121,537.47 and 50,345.69 is: 69,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,070.63 : 121,537.47 = 50,345.69 : x
  2. Step 2: Convert to fraction form
    88,070.63/121,537.47 = 50,345.69/x
  3. Step 3: Cross multiply
    88,070.63x = 121,537.47 × 50,345.69
  4. Step 4: Simplify right side
    88,070.63x = 6,118,887,180.32
  5. Step 5: Solve for x
    x = 6,118,887,180.32/88,070.63
  6. Step 6: Final answer
    x = 69,477.05

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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.