Home / 93,150.66-128,547.86-50,709.18

Finding the Fourth Proportional to 93,150.66, 128,547.86 and 50,709.18

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Solution

The fourth proportional to 93,150.66, 128,547.86 and 50,709.18 is: 69,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,150.66 : 128,547.86 = 50,709.18 : x
  2. Step 2: Convert to fraction form
    93,150.66/128,547.86 = 50,709.18/x
  3. Step 3: Cross multiply
    93,150.66x = 128,547.86 × 50,709.18
  4. Step 4: Simplify right side
    93,150.66x = 6,518,556,571.35
  5. Step 5: Solve for x
    x = 6,518,556,571.35/93,150.66
  6. Step 6: Final answer
    x = 69,978.64

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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.