Home / 88,247.21-121,798.86-52,430.32

Finding the Fourth Proportional to 88,247.21, 121,798.86 and 52,430.32

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Solution

The fourth proportional to 88,247.21, 121,798.86 and 52,430.32 is: 72,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,247.21 : 121,798.86 = 52,430.32 : x
  2. Step 2: Convert to fraction form
    88,247.21/121,798.86 = 52,430.32/x
  3. Step 3: Cross multiply
    88,247.21x = 121,798.86 × 52,430.32
  4. Step 4: Simplify right side
    88,247.21x = 6,385,953,161.07
  5. Step 5: Solve for x
    x = 6,385,953,161.07/88,247.21
  6. Step 6: Final answer
    x = 72,364.37

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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.